737 AMM 飞机维护手册 燃油 FUEL(183)

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NOTE:  Drip loop must be left in wire after installing connector on tank or compensator unit.
G.  Thoroughly clean the area around the internal tank wire harness connector and spar interface using Aliphatic Naphtha.
H.  Apply a continuous fillet bead of BMS 5-26 type II sealant around the entire perimeter of the internal tank harness connector at the spar interface (Ref 28-11-0).
I.  Allow sealant to cure.
5.  Restore Airplane to Normal
A.  Install tank and compensator unit bussing plug per 28-41-41 R/I.
B.  If tank 1 or 2 bulkhead (spar) receptacle wire harness was replaced, remove leading edge flap locks and retract leading edge flaps (Ref 27-81-0 MP).
WARNING:  REFER TO 27-81-0 MP FOR LOCK INSTALLATION PROCEDURE. FLAPS ARE FAST ACTING AND CAN CAUSE SERIOUS INJURY TO PERSONNEL.
C.  Close GRD FUELING and FUEL QTY circuit breakers on aft overhead panel P6.
D.  Adjust fuel quantity indicating system per 28-41-0 A/T or 28-41-05 A/T as applicable.
580 
Feb 20/89  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  28-41-101 Page 403 

FUEL TANK BULKHEAD (SPAR) RECEPTACLE WIRE HARNESS - INSPECTION/CHECK
1.  General
A.  This procedure has tasks to inspect the Fuel Quantity Indicating System (FQIS) wiring and components in the fuel tanks.
2.  FQIS Wiring and Component Visual Inspection
A.  Procedure
(1)  
Examine the wiring in the fuel tank for these problems:

(a)  
Insulation that is abraded, cracked or over-stressed

(b)  
Conductors or shields that are broken or exposed

(c)  
Clearance from the structure that is not sufficient

(d)  
Wiring that is routed incorrectly.

 

(2)  
Examine the compensators and tank units for these problems:

(a)  
Wiring that is not correctly attached to the terminals

(b)  
Wiring to the terminals that is damaged or not correctly routed

(c)  
An end cap that is missing

(d)  
Clearance from the structure that is not sufficient

(e)  
Mounting brackets and hardware that are loose.

 

3.  FQIS, No. 1 Tank - Inspection
A.  References
(1)  
AMM 28-10-0/201, Fuel Tanks

(2)  
AMM 28-11-11/401, Wing Fuel Tank Access Panels

(3)  
DWG 65-48303 Wire Bundle Instl - Sec. 20, LH Inboard Inspar WBL 71.24 to WBL 227

(4)  
DWG 65-48305 Wire Bundle Instl - Sec. 20 LH Inspar WBL 227 to Wingtip

B.  Procedure
(1)  
For the area in the No. 1 fuel tank between rib No. 1 (side-of-body rib at WBL 71.24) and rib No. 5 (rib at WBL 157.00), do these steps:

(a)  
Remove access panel No. 1 on the left wing (AMM 28-11-11/401).

(b)  
Go into the opening for access panel No. 1 (AMM 28-10-0/201).

(c)  
Do this task for all FQIS wiring and components between rib No. 1 and rib No. 5: FQIS Wiring and Component Visual Inspection. 1) Refer to drawing 65-48303 for wiring and component locations.

(d)  
If access is not necessary for subsequent tasks, install access panel No. 1   (AMM 28-11-11/401).

 

(2)  
For the area in the No. 1 fuel tank between rib No. 5 (rib at WBL 157.00) and rib No. 7 (rib at WBL 198.60), do these steps:

(a)  
Remove access panel No. 2 on the left wing (AMM 28-11-11/401).

(b)  
Go into the opening for access panel No. 2 (AMM 28-10-0/201).

(c)  
Do this task for all FQIS wiring and components between rib No. 5 and rib No. 7: FQIS Wiring and Component Visual Inspection. 1) Refer to drawing 65-48303 for wiring and component locations.

(d)  
If access is not necessary for subsequent tasks, install access panel No. 2   (AMM 28-11-11/401).

 

(3)  
For the area in the No. 1 fuel tank between rib No. 7 (rib at WBL 198.60) and rib No. 8 (rib at WBL 227.00), do these steps:

(a)  
Remove access panel No. 3 on the left wing (AMM 28-11-11/401).

(b)  
Go into the opening for access panel No. 3 (AMM 28-10-0/201).

(c)  
Do this task for all FQIS wiring and components between rib No. 7 and rib No. 8: FQIS Wiring and Component Visual Inspection. 1) Refer to drawing 65-48303 for wiring and component locations.

(d)  
If access is not necessary for subsequent tasks, install access panel No. 3 
 (AMM 28-11-11/401).

 

(4)  
For the area in the No. 1 fuel tank between rib No. 8 (rib at WBL 227.00) and rib No. 9 (rib at WBL 254.00), do these steps:
　
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